JACKSON, Mississippi (AP) — Jackson police were investigating the slayings of a mother and son Thursday morning.

Jackson Police Department spokeswoman Colendula Green says officers were called to a west Jackson home about 7:40 a.m. where they found a man lying in the front yard. Green says the 49-year-old man had been shot several times.

Green says the body of a 74-year-old woman was found in the home and she also had been shot multiple times.

The names of the victims have not been released.

Green says police have not made any arrests and are trying to determine a motive in the deaths.